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Q. |
In correlation, which of the following tells us that we have a perfect positive relationship |
A. | r = +1 |
B. | all the points on the scatter diagram would fall on a straight line and the slope would be from bottom left to top right of the plot |
C. | the dots on the scatter diagram would fall in a straight line from top left-hand corner down to bottom right hand corner |
D. | both a and b |
Answer» D. both a and b |
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